From 72a1935f882ff450d19f56d0b8393c4d735ee708 Mon Sep 17 00:00:00 2001
From: Stefano Karapetsas <stefano@karapetsas.com>
Date: Sat, 12 Jul 2014 11:13:18 +0200
Subject: Add ability to enable/disable debug with GSettings

---
 mate-session/main.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/mate-session/main.c b/mate-session/main.c
index b57be06..5f123fd 100644
--- a/mate-session/main.c
+++ b/mate-session/main.c
@@ -61,6 +61,9 @@
 #define ACCESSIBILITY_KEY     "accessibility"
 #define ACCESSIBILITY_SCHEMA  "org.mate.interface"
 
+#define DEBUG_KEY             "mate-session"
+#define DEBUG_SCHEMA          "org.mate.debug"
+
 #define VISUAL_SCHEMA         "org.mate.applications-at-visual"
 #define VISUAL_KEY            "exec"
 #define VISUAL_STARTUP_KEY    "startup"
@@ -524,6 +527,47 @@ static gboolean require_dbus_session(int argc, char** argv, GError** error)
 	return TRUE;
 }
 
+// Copied from mate-desktop
+gboolean
+_gsettings_schema_exists (const gchar* schema)
+{
+#if GLIB_CHECK_VERSION (2, 40, 0)
+    GSettingsSchemaSource *schema_source;
+    GSettingsSchema *schema_schema;
+#else
+    const char * const *schemas;
+    gint i;
+#endif
+    gboolean schema_exists;
+
+#if GLIB_CHECK_VERSION (2, 40, 0)
+    schema_source = g_settings_schema_source_get_default();
+    schema_schema = g_settings_schema_source_lookup (schema_source, schema, FALSE);
+    schema_exists = (schema_schema != NULL);
+    if (schema_schema)
+        g_settings_schema_unref (schema_schema);
+#else
+    schemas = g_settings_list_schemas ();
+    schema_exists = FALSE;
+
+    for (i = 0; schemas[i] != NULL; i++) {
+        if (g_strcmp0 (schemas[i], schema) == 0) {
+            schema_exists = TRUE;
+            break;
+        }
+    }
+#endif
+
+    return schema_exists;
+}
+
+
+void debug_changed (GSettings *settings, gchar *key, gpointer user_data)
+{
+	debug = g_settings_get_boolean (settings, DEBUG_KEY);
+	mdm_log_set_debug (debug);
+}
+
 int main(int argc, char** argv)
 {
 	struct sigaction sa;
@@ -532,6 +576,7 @@ int main(int argc, char** argv)
 	GsmManager* manager;
 	GsmStore* client_store;
 	GsmXsmpServer* xsmp_server;
+	GSettings* debug_settings = NULL;
 	GSettings* accessibility_settings;
 	MdmSignalHandler* signal_handler;
 	static char** override_autostart_dirs = NULL;
@@ -574,6 +619,14 @@ int main(int argc, char** argv)
 		exit(1);
 	}
 
+	/* Allows to enable/disable debug from GSettings only if it is not set from argument */
+	if (!debug && _gsettings_schema_exists(DEBUG_SCHEMA))
+	{
+		debug_settings = g_settings_new (DEBUG_SCHEMA);
+		debug = g_settings_get_boolean (debug_settings, DEBUG_KEY);
+		g_signal_connect (debug_settings, "changed::" DEBUG_KEY, G_CALLBACK (debug_changed), NULL);
+	}
+
 	mdm_log_init();
 	mdm_log_set_debug(debug);
 
@@ -656,6 +709,11 @@ int main(int argc, char** argv)
 		g_object_unref(client_store);
 	}
 
+	if (debug_settings != NULL)
+	{
+		g_object_unref(debug_settings);
+	}
+
 	msm_gnome_stop();
 	mdm_log_shutdown();
 
-- 
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